Your doorbell is malfunctioning, It will only strike the bell one time when the doorbell is pressed. How does the electromagnet play a role in the correct (or incorrect) function of your doorbell?

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

f is prop to m1xm2 double m1 double force

pretty sure it's false